Zac and Eva live with their parents in isolated-mysterious farmhouse. The family lives' in the 1800s manner and doing the old-fashioned chores. When their mom becomes seriously ill, the sibling begins to discover family dark secrets and supernatural abilities to teleport themselves, which threaten a family to splintered. One and Two is the story about the bond and love between the siblings.

Movie Parental Guide

nudity

None

frightening

A father is angry at his daughter and tells her to stand against the wall, facing the wall, He's holding a hammer and brings it up to her hands against the wall. He hammers the wall and it's not clear at first what he's doing. He's only nailing her clothing to the wall though, not hitting her.
Repeats same with son.